18-letter words containing s, e, l, f, p
- self-tapping screw — a screw designed to tap its corresponding female thread as it is driven.
- shatterproof glass — glass designed to resist shattering
- slip of the tongue — If you describe something you said as a slip of the tongue, you mean that you said it by mistake.
- soda-lime feldspar — plagioclase.
- sodium hyposulfite — sodium thiosulfate.
- sodium polysulfide — a yellow-brown, water-soluble, granular powder, Na 2 S n , used chiefly in the manufacture of sulfur dyes, insecticides, and synthetic rubber.
- software backplane — (programming, tool) A CASE framework from Atherton.
- speak for yourself — If you say 'Speak for yourself' when someone has said something, you mean that what they have said is only their opinion or applies only to them.
- spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
- spectrofluorometer — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
- spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
- stepping-off place — jumping-off place (def 2).
- to play favourites — to display favouritism
- to pull a fast one — If you say that someone has pulled a fast one on you, you mean that they have cheated or tricked you.
- wild passionflower — the maypop, Passiflora incarnata.